Inventor · disambiguated record
Ramamurthi Kannan
Also filed as: KANNAN RAMAMURTHI
21 granted patents·392 citations·filing 1982–2017
95Inventor score
Top patents by PatentIndex Score
21 records- 0195US7319151B1Thermally cross-linkable two-photon chromophoresUS AIR FORCE·Filed 2006·Granted Jan 15, 2008·18 cites·7 claims
- 0295US6300502B1Multi-armed chromophores with very large two-photon absorption cross-sectionsUS AIR FORCE·Filed 2000·Granted Oct 9, 2001·45 cites·9 claims
- 0395US5859251ASymmetrical dyes with large two-photon absorption cross-sectionsUS AIR FORCE·Filed 1997·Granted Jan 12, 1999·98 cites·3 claims
- 0492US6555682B1Two-photon responsive chromophores containing electron accepting coresUS AIR FORCE·Filed 2002·Granted Apr 29, 2003·31 cites·5 claims
- 0591US8580958B1Two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine moleculesTAN LOON-SENG·Filed 2011·Granted Nov 12, 2013·8 cites·2 claims
- 0689US9024037B1Two-photon absorbing polymers based on triarylamine-benzobisthiazole-triarylamine quadrupolar-structure motifTAN LOON-SENG·Filed 2012·Granted May 5, 2015·4 cites·9 claims
- 0788US8318888B1Two-photon absorbing cross-linked polyurethanes containing delphenylamino-dialkyffluorene-1,3,5-triazine unitsTAN LOON-SENG·Filed 2011·Granted Nov 27, 2012·8 cites·5 claims
- 0888US6730793B1Two-photon responsive chromophores containing electron accepting core unitsUS AIR FORCE·Filed 2002·Granted May 4, 2004·19 cites·5 claims
- 0987US10113065B1Two-photon absorbing compounds and methods of making sameUS AIR FORCE·Filed 2017·Granted Oct 30, 2018·3 cites·20 claims
- 1085US8735528B1Two-photon absorbing cross-linked polyurethanes containing diphenylamino-dialkylfluorene-1,3,5-triazine unitsUS OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE·Filed 2012·Granted May 27, 2014·7 cites·17 claims
- 1185US8471035B1Two-photon absorbing arylamine-endcapped and dialkylfluorene-bridged benzobisthiazole compounds with high oleophilicityTAN LOON-SENG·Filed 2012·Granted Jun 25, 2013·3 cites·11 claims
- 1285US6100405ABenzothiazole-containing two-photon chromophores exhibiting strong frequency upconversionUS AIR FORCE·Filed 1999·Granted Aug 8, 2000·104 cites·10 claims
- 1383US8674057B1Aromatic polyimides, polyamides and poly(amide-imide) containing diarylaminofluorene-benzothiazole moieties as two-photon active unitsTAN LOON-SENG·Filed 2011·Granted Mar 18, 2014·3 cites·1 claims
- 1482US8153812B1Two-photon absorbing diphenylaminofluorene-benzothiazole bis(aminophenoxy) monomersTAN LOON-SENG·Filed 2011·Granted Apr 10, 2012·3 cites·2 claims
- 1582US6867304B1Photoinitiators for two-photon induced free-radical polymerizationUS AIR FORCE·Filed 2004·Granted Mar 15, 2005·10 cites·4 claims
- 1680US7067674B1Two-photon absorbing chromophores containing polymerizable olefinic groupsUS AIR FORCE·Filed 2004·Granted Jun 27, 2006·9 cites·6 claims
- 1777US8895730B2Synthesis of two-photon absorbing polyhydroxy diphenylamino-dialkylfluorene-1,3,5-triazine moleculesUS AIR FORCE·Filed 2013·Granted Nov 25, 2014·3 cites·20 claims
- 1875US7495106B1O-aminophenol-containing AB-monomer for heterocyclic rigid-rod polymersUS AIR FORCE·Filed 2007·Granted Feb 24, 2009·3 cites·3 claims
- 1966US4874894AProcess for the production of benzenesulfonamidesHILTON DAVIS CO·Filed 1987·Granted Oct 17, 1989·8 cites·7 claims
- 2042US5126233AOil soluble color precursor involving certain crystalline 6-phenyl pyridine derivativesMEAD CORP·Filed 1991·Granted Jun 30, 1992·3 cites·6 claims
- 2139US4431840AProcess for preparing 2-benzoylbenzoic acidsSTERLING DRUG INC·Filed 1982·Granted Feb 14, 1984·2 cites·8 claims
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